7 In music
The number of notes in the traditional Western musical scale.
The original diameter in inches of the 45rpm format gramaphone record.
In music, the Roman numeral vii is the subtonic (bVII) or leading tone (VII) scale degree, chord, or diatonic function, when distinguished V = major and v = minor.
The number of completed, numbered symphonies of Jean Sibelius and Sergei Prokofiev.
A pop music singer in South Korea : 세븐 ; SE7EN (singer).
A five-piece teenybopper band from the late 1980s.
A current band called Seven Mary Three.
A band from the 1990s: Seven Red Seven.
In the late 1990s a band called S Club 7 was created by Simon Fuller under 19 management.
In 2000 a mexican pop band renamed themselves to OV7, before they were Onda Vaselina.
The "Unsquare Dance" by Dave Brubeck is in septuple meter--seven beats to a measure.
Seven is part or all of the name of many musical works: